AD7674ASTZ

Semiconductors - ICs

> Data & Signal Conversion

> Analog-to-Digital Converters - ADC

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Series Information for AD7674ASTZ - Analog Devices

Features

  • feature
    18-bit resolution with no missing codes No pipeline delay (SAR architecture) Differential input range: u00b1VREF (VREF up to 5 V) Throughput 800 kSPS (warp mode) 666 kSPS (normal mode) 570 kSPS (impulse mode) INL: u00b12.5 LSB max (u00b19.5 ppm of full scale) Dynamic range : 103 dB typ (VREF = 5 V) SINAD: 100 dB typ at 2 kHz (VREF = 5 V) Parallel (18-, 16-, or 8-bit bus) and serial 5 V/3 V interface SPI/QSPIu2122/MICROWIRE/DSP compatible On-board reference buffer Single 5 V supply operation Power dissipation 98 mW typ at 800 kSPS 78 mW typ at 500 kSPS (impulse mode) 160 u00b5W at 1 kSPS (impulse mode) 48-lead LQFP or 48-lead LFCSP Pin-to-pin compatible upgrade of AD7676, AD7678, and AD7679

Description

18BIT SAR ADC SMD 7674 LQFP48

The AD7674 is an 18-bit, 800 kSPS, charge redistribution, successive approximation register (SAR) fully differential analog-to-digital converter (ADC) that operates on a single 5 V power supply. The device contains a high speed, 18-bit sampling ADC, an internal conversion clock, an internal reference buffer, error correction circuits, and both serial and parallel system interface ports. The device is available in a 48-lead LQFP or a 48-lead LFCSP with operation specified from −40°C to +85°C.

Specifications

Resolution (Bits):
18bit
Sampling Rate:
800kSPS
Input Channel Type:
Differential
Data Interface:
Parallel Serial
Supply Voltage Type:
Single
Supply Voltage Min:
4.75V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
LQFP
No. of Pins:
48Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
Single 8-Bit SAR ADCs
Automotive Qualification Standard:
-
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)
A/D / D/A Features:
DSP MicroWire QSPI SPI
Base Number:
7674
Conversion Time:
1.25µs
IC Case Style:
QFP
IC Generic Number:
7674
Linearity Error ADC / DAC +:
2.5LSB
Linearity Error ADC / DAC -:
2.5LSB
Logic Function Number:
7674
No. of Bits:
18bit
No. of Channels:
1Channels
Operating Temperature Range:
-40°C to +85°C
Power Dissipation Ptot Max:
98mW
Supply Current:
16mA
Supply Voltage Range:
4.75V to 5.25V
Supply Voltage Range - Analogue:
4.75V to 5.25V
Supply Voltage Range - Digital:
2.7V to 5.55V 4.75V to 5.25V
Voltage Vcc:
5V

Alternate Descriptions

Richardson RFPD
CONVERTER - ADC